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Minimalist appearance design
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Semi-hidden window sash design，hidden drainage holes
One-way non-return differential pressure drainage device, refrigerator grade heat preservation material filling
Double thermal break structure, no pressing line design
One-way non-return drainage system
Anti-wind | Anti-rain | Anti-insect | Anti-howling
Preventing indoor and outdoor air exchange and convection
Semi-hidden window sash design，greatly improve the sealing
Double-layer self-pressing sealant strip, six turning point corner, better prevent indoor and outdoor air circulation
Exclusive customized heavy-duty push and pull handle
Leading structure design, CRLEER exclusive customization
304 stainless steel material, exquisite surface treatment
